Tankless water heaters use fans to blow exhaust from the unit horizontally allowing vents to terminate on the side of a house.
Tankless water heater in attic installation.
These systems are usually mounted then placed along a wall at a location which allows for proper venting of the system.
Replacing your tank type water heater in the attic with a tankless unit is a much safer alternative and one that nick s plumbing and sewer services would be happy to discuss with you.
Whether or not you can install a tankless water heater in your attic depends on your attic.
If the builder has already installed your water heater in the attic you can get it moved to another location in the house or into the garage.
Garages utility closets even outdoor installations with proper insulation are preferable to having a tank type water heater in your attic.
The only exception is the lack of a storage tank.
Tankless water heaters can vent through the roof or a side wall creating more flexibility and options for placement.
For this reason a suitable drain pan should be installed under the water heater and piped to an adequate drain.
This is far less expensive than your water heater leaking and causing thousands of dollars worth of water damage.
The only time that attic tankless water heaters are installed are typically in warmer climates like the caribbean and they are solar powered hence the need for them to be placed higher in the household basically installing the unit inside the attic can be done but it would require extra work and knowledge with your local codes etc.
Another option is to choose a tankless water heaterto be installed in your attic.
Simply put as long as there is enough combustion air provided tankless water heaters can be installed in any area of your home from a utility room to a garage to yes even an old dusty attic.
Traditional gas tank water heater require venting through the roof.
Another reason why installing a gas water heater in the attic is not a good idea is if the tank or any connection leaks.
My contractor recently suggested that instead of having 2 tankless water heaters at opposite sides of my almost new construction single story house 4 5 baths laundry and kitchen i may want to consider a single larger unit in the attic.